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USENIX Symposium on Internet Technologies and Systems, 1997
System Design Issues for Internet Middleware Services: Deductions from a Large Client Trace
Steven D. Gribble and Eric A. Brewer
University of California, Berkeley
Abstract
In this paper, we present the analysis of a large client-side web trace
gathered from the Home IP service at the University of California at
Berkeley. Specifically, we demonstrate the heterogeneity of web clients,
the existence of a strong and very predictable diurnal cycle in the
clients' web activity, the burstiness of clients' requests at small time
scales (but not large time scales, implying a lack of self-similarity), the
presence of locality of reference in the clients' requests that is a strong
function of the client population size, and the high latency that services
encounter when delivering data to clients, implying that services will need
to maintain a very large number of simultaneously active requests. We then
present system design issues for Internet middleware services that were
drawn both from our trace analysis and our implementation experience of the
TranSend transformation proxy.
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